Tsavorite
From The Gemology Project
Tsavorite Garnet | |
---|---|
Chemical composition | Ca3Al2(SiO4)3
Calcium aluminum silicate |
Crystal system | Cubic |
Habit | Dodecahedra |
Cleavage | None |
Hardness | 7.0-7.5 |
Optic nature | Isotropic |
Refractive index | 1.738-1.745 |
Birefringence | None |
Specific gravity | 3.60-3.68 |
Lustre | Vitreous |